<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="类名" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入类名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="备注" prop="categoryNotes">
        <el-input
          v-model="queryParams.categoryNotes"
          placeholder="请输入备注"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['category:category:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['category:category:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['category:category:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['category:category:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="categoryList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="类别id" align="center" prop="categoryId" />
      <el-table-column label="类名" align="center" prop="categoryName" />
      <el-table-column label="备注" align="center" prop="categoryNotes" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['category:category:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['category:category:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改商品类别管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="类名" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入类名" />
        </el-form-item>
        <el-form-item label="备注" prop="categoryNotes">
          <el-input v-model="form.categoryNotes" placeholder="请输入备注" />
        </el-form-item>
        <el-divider content-position="center">${subTable.functionName}信息</el-divider>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddStockGoods">添加</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteStockGoods">删除</el-button>
          </el-col>
        </el-row>
        <el-table :data="stockGoodsList" :row-class-name="rowStockGoodsIndex" @selection-change="handleStockGoodsSelectionChange" ref="stockGoods">
          <el-table-column type="selection" width="50" align="center" />
          <el-table-column label="序号" align="center" prop="index" width="50"/>
          <el-table-column label="商品名" prop="goodsName" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.goodsName" placeholder="请输入商品名" />
            </template>
          </el-table-column>
          <el-table-column label="价格" prop="goodsPrice" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.goodsPrice" placeholder="请输入价格" />
            </template>
          </el-table-column>
          <el-table-column label="数量" prop="goodsQuantity" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.goodsQuantity" placeholder="请输入数量" />
            </template>
          </el-table-column>
          <el-table-column label="单位" prop="goodsUnit" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.goodsUnit" placeholder="请输入单位" />
            </template>
          </el-table-column>
          <el-table-column label="存储库房" prop="goodsStorehouse" width="150">
            <template slot-scope="scope">
              <el-input v-model="scope.row.goodsStorehouse" placeholder="请输入存储库房" />
            </template>
          </el-table-column>
        </el-table>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/category/category";

export default {
  name: "Category",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 子表选中数据
      checkedStockGoods: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 商品类别管理表格数据
      categoryList: [],
      // ${subTable.functionName}表格数据
      stockGoodsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryName: null,
        categoryNotes: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询商品类别管理列表 */
    getList() {
      this.loading = true;
      listCategory(this.queryParams).then(response => {
        this.categoryList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        categoryId: null,
        categoryName: null,
        categoryNotes: null
      };
      this.stockGoodsList = [];
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.categoryId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加商品类别管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const categoryId = row.categoryId || this.ids
      getCategory(categoryId).then(response => {
        this.form = response.data;
        this.stockGoodsList = response.data.stockGoodsList;
        this.open = true;
        this.title = "修改商品类别管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.stockGoodsList = this.stockGoodsList;
          if (this.form.categoryId != null) {
            updateCategory(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const categoryIds = row.categoryId || this.ids;
      this.$modal.confirm('是否确认删除商品类别管理编号为"' + categoryIds + '"的数据项？').then(function() {
        return delCategory(categoryIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
	/** ${subTable.functionName}序号 */
    rowStockGoodsIndex({ row, rowIndex }) {
      row.index = rowIndex + 1;
    },
    /** ${subTable.functionName}添加按钮操作 */
    handleAddStockGoods() {
      let obj = {};
      obj.goodsName = "";
      obj.goodsPrice = "";
      obj.goodsQuantity = "";
      obj.goodsUnit = "";
      obj.goodsStorehouse = "";
      this.stockGoodsList.push(obj);
    },
    /** ${subTable.functionName}删除按钮操作 */
    handleDeleteStockGoods() {
      if (this.checkedStockGoods.length == 0) {
        this.$modal.msgError("请先选择要删除的${subTable.functionName}数据");
      } else {
        const stockGoodsList = this.stockGoodsList;
        const checkedStockGoods = this.checkedStockGoods;
        this.stockGoodsList = stockGoodsList.filter(function(item) {
          return checkedStockGoods.indexOf(item.index) == -1
        });
      }
    },
    /** 复选框选中数据 */
    handleStockGoodsSelectionChange(selection) {
      this.checkedStockGoods = selection.map(item => item.index)
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('category/category/export', {
        ...this.queryParams
      }, `category_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
